#3597B4#3597B4

#3597B4 is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.2% C 0.099 H 221.4°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3597B4
RGB	rgb(53, 151, 180)
HSL	hsl(194, 55%, 46%)
HSV	hsv(194, 71%, 71%)
CMYK	cmyk(70.6%, 16.1%, 0%, 29.4%)
CIE-LAB	lab(58.21, -18.71, -23.34)
CIE-LCH	lch(58.21, 29.91, 231.28°)
OKLab	oklab(63.21% -0.0738 -0.0652)
OKLCH	oklch(63.21% 0.099 221.4)
XYZ	xyz(20.7696, 26.1830, 47.1304)
Luminance	0.2619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3597B4 #B45235

analogous

#35B491 #3597B4 #3557B4

triadic

#3597B4 #B43597 #97B435

tetradic

#3597B4 #9135B4 #B45235 #57B435

square

#3597B4 #9135B4 #B45235 #57B435

split-complementary

#3597B4 #B43557 #B49135

monochromatic

#194855 #276F85 #3597B4 #58B3CE #88C9DC

Accessibility & contrast

On white

3.37

#3597B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#3597B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3597B4

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3597B4	#FFFFFF	#000000	##000000
##3597B4	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8693B6

Deuteranopia (green-blind)

#7486B4

Tritanopia (blue-blind)

#00A0A0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3597b4;
/* rgb */ color: rgb(53, 151, 180);
/* oklch */ color: oklch(63.2% 0.099 221.4);

Tailwind

colors: {
  custom: {
    50: '#7db5ca',
    500: '#3597b4',
    950: '#000000',
  },
}

SCSS

$custom: #3597b4;
$custom-light: #7db5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3597b4",
  "rgb": {
    "r": 53,
    "g": 151,
    "b": 180
  },
  "hsl": {
    "h": 193.701,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.63214,
    "c": 0.09851,
    "h": 221.4
  },
  "luminance": 0.26185
}

Semantic roles & 50–950 ramp

primary

#3597B4

secondary

#C68F7F

accent

#6C4ADE

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3597B4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →